Results 271 to 280 of about 1,605,305 (323)

A two‐step formula constant optimization strategy for minimal standard deviation and zero mean prediction error in IOL power calculation

open access: yesActa Ophthalmologica, Volume 104, Issue 2, Page 181-192, March 2026.
Abstract Purpose To investigate the precision and accuracy performance of a two‐step approach for optimizing lens formula constants (FC) with a refractive offset correction (RO) as a second tuning parameter. Methods Using IOLMaster 700 biometric data from 4 datasets (886/613/821/467 eyes treated with the Hoya Vivinex/Johnson&Johnson ZCB00/Alcon SA60AT ...
Achim Langenbucher   +5 more
wiley   +1 more source

A Novel Homozygous Nonsense Pathogenic Variant of the CPAMD8 Gene Associated With Congenital Microcoria

open access: yesClinical Genetics, Volume 109, Issue 3, Page 571-575, March 2026.
A novel CPAMD8 nonsense mutation c.2679C>G (p.Tyr893*) was identified in a patient with congenital microcoria, leading to reduced mRNA expression and predicted protein truncation. ABSTRACT Congenital microcoria (MCOR) is a rare inherited ocular disorder. Here, we describe a novel nonsense variant in the CPAMD8 gene in a patient with MCOR.
Jing‐Fan Gao   +4 more
wiley   +1 more source
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Central corneal thickness in glaucoma

Current Opinion in Ophthalmology, 2016
The purpose of this review is to summarize the role of central corneal thickness (CCT) in the clinical management of a glaucoma patient.The prognostic value of CCT is well recognized in patients with ocular hypertension. However, its predictive value in other glaucoma suspects and patients with established glaucoma is less certain.
Chelvin C A Sng, M. Ang, K. Barton
semanticscholar   +3 more sources

Corneal Thickness

Ophthalmology, 2008
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Chan, JCH   +4 more
openaire   +3 more sources

Corneal thickness in children

American Journal of Ophthalmology, 2004
To determine normal central and paracentral corneal thickness measurements in the pediatric population and to determine if these measurements are consistent across different pediatric age groups and different racial groups.Prospective observational case series.Pachymetry measurements were performed on 198 eyes of 108 children.
Mohamed A W, Hussein   +8 more
openaire   +2 more sources

Intrasubject Corneal Thickness Asymmetry

Journal of Refractive Surgery, 2008
Purpose To establish the normal distribution for intrasubject (right eye/left eye) central corneal pachymetry in a refractive surgery population. Methods A retrospective analysis was performed on 1448 eyes of 724 consecutive patients evaluated for refractive surgery.
Stephen S, Khachikian   +2 more
openaire   +2 more sources

Corneal Thickness in Highlanders

High Altitude Medicine & Biology, 2017
Patyal, Sagarika, Amit Arora, Arun Yadav, and Vijay K. Sharma. Corneal thickness in highlanders. High Alt Med Biol. 18:56-60, 2017.Corneal thickness is an important parameter with diagnostic and therapeutic implications. Various studies have highlighted increase in corneal thickness in lowlanders on ascending to high altitude.
Sagarika, Patyal   +3 more
openaire   +2 more sources

Corneal Topography and Corneal Thickness in Children

Journal of Pediatric Ophthalmology & Strabismus, 2013
Purpose: To evaluate the corneal topography, thickness, and elevation (anterior and posterior corneal surface) in children. Methods: One hundred eyes of 100 patients with a mean ± standard deviation age of 10.6 ± 2.7 years (range: 5 to 15 years) were imaged.
Shailaja P, Reddy   +2 more
openaire   +2 more sources

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